* {
  margin: 0;
  padding: 0;
}

header {
  position: relative;
  width: 100vw;
  height: 3rem;
  background: #0b193f url(../images/headbanner.png) no-repeat;
  background-size: 100%;
  color: #fff;
  padding: .6rem .3rem 0;
  box-sizing: border-box;
}

nav {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100vw;
  height: 1.4rem;
  display: flex;
  align-items: center;
  text-align: center;
  list-style: none;
  box-sizing: border-box;
  background: #fff;
}

nav > li {
  display: flex;
  flex-direction: column;
  font-size: .3rem;
  width: 25%;
}

nav > li > a {
  text-decoration: none;
  color: #b6bac5;
}

nav > li > a > i {
  display: block;
  font-size: .5rem !important;
}

.active > a {
  color: #0b1a40;
}
